32402809872 has 60 divisors (see below), whose sum is σ = 90775511424. Its totient is φ = 10789901760.

The previous prime is 32402809871. The next prime is 32402809877. The reversal of 32402809872 is 27890820423.

It is not an unprimeable number, because it can be changed into a prime (32402809871) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27097 + ... + 256007.

Almost surely, 2^32402809872 is an apocalyptic number.

It is an amenable number.

32402809872 is an abundant number, since it is smaller than the sum of its proper divisors (58372701552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

32402809872 is a wasteful number, since it uses less digits than its factorization.

32402809872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229908 (or 229899 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 32402809872 in words is "thirty-two billion, four hundred two million, eight hundred nine thousand, eight hundred seventy-two".